CN217354472U

CN217354472U - Colliery is goaf waste rock backfill system in pit

Info

Publication number: CN217354472U
Application number: CN202221413143.1U
Authority: CN
Inventors: 苏锋
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-06-08
Filing date: 2022-06-08
Publication date: 2022-09-02
Anticipated expiration: 2032-06-08

Abstract

The utility model discloses a colliery is collecting space area waste rock backfill system in pit, include raw materials band conveyer, crushed aggregates band conveyer, waste rock rubbing crusher, install bin, hold case, transition case and elevating gear, crushed aggregates band conveyer's belt is located waste rock crusher's discharge opening below, and install bin embedding installation face is down, and elevating gear sets up in the install bin, and elevating gear can drive and hold the case up-and-down motion, and raw materials band conveyer can be with feedstock transport to the transition incasement, and the raw materials in the transition case can hold the incasement, and elevating gear can drive and hold case motion to waste rock crusher pan feeding hopper top, and the raw materials that holds the incasement can enter waste rock rubbing crusher's pan feeding hopper, and this device can improve the convenience of staff's processing waste rock in the pit, reduces energy consumption simultaneously.

Description

Colliery is goaf waste rock backfill system in pit

Technical Field

The utility model relates to a coal mining technical field, concretely relates to colliery is goaf waste rock backfill system in pit.

Background

A large amount of waste rocks are generated in the production process of a coal mine, meanwhile, a large area of goaf is formed underground, the stacking of the waste rocks occupies a large amount of space, and serious environmental pollution is brought to the surrounding area of the mine area.

At present, the waste rock is treated by backfilling the crushed waste rock to a goaf under a coal mine, a general waste rock backfilling system comprises a raw material belt conveyor, a waste rock crusher and a crushed rock belt conveyor, the raw material belt conveyor conveys the waste rock into the waste rock crusher for crushing, then the crushed rock falls on the crushed rock belt conveyor and is conveyed to the goaf, at present, when the waste rock is crushed underground, the waste rock is crushed in time, the waste rock crusher and the crushed rock belt conveyor are always in an open state, however, the waste rock generated underground is not continuous, so that the waste rock crusher and the crushed rock belt conveyor continuously work to generate energy waste, the waste rock crusher has a certain height, in order to discharge the crushed rock to the crushed rock belt conveyor, a discharge port of the crusher is also positioned above the crushed rock belt conveyor, and a feed port of the waste rock crusher needs to be at a higher height, raw materials band conveyer needs higher position in order to carry the waste rock to the waste rock rubbing crusher, and the raw materials band conveyer position of higher position is unfavorable for the staff to place the waste rock on raw materials band conveyer, and it is inconvenient wholly to use.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model provides a colliery is collecting space area waste rock backfill system in pit to improve the convenience of handling the waste rock in the pit, reduce energy consumption simultaneously.

The utility model provides a colliery collecting space area waste rock backfilling system in pit, includes raw materials band conveyer, crushed aggregates band conveyer, waste rock rubbing crusher, install bin, holds case, transition case and elevating gear, crushed aggregates band conveyer's belt is located waste rock rubbing crusher's discharge opening below, and under the install bin embedding installation face, elevating gear set up in the install bin, and elevating gear can drive and hold case up-and-down motion, and raw materials band conveyer can carry the raw materials to the transition incasement, and the raw materials in the transition incasement can enter and hold the incasement, and elevating gear can drive and hold the case and move to waste rock rubbing crusher pan feeding hopper top, holds the raw materials of incasement and can enter waste rock rubbing crusher's pan feeding hopper.

Preferably, the transition box is located on the left side of the containing box, a discharge hole is formed in the bottom of the right wall of the transition box, a first discharge pipe is connected to the discharge hole, the first discharge pipe integrally inclines downwards from the left side to the right side, a second discharge pipe is arranged in the first discharge pipe in a sliding mode, the bottom end of the second discharge pipe is located outside the first discharge pipe, a first air cylinder is arranged on the outer wall of the first discharge pipe, an output shaft of the first air cylinder is connected with the second discharge pipe, and the first air cylinder is started to drive the bottom end of the second discharge pipe to move to the position right above the containing box;

a second cylinder is arranged in the transition box, an output shaft of the second cylinder is connected with a first closing plate, and the inner end of the discharge hole is closed by the first closing plate.

Preferably, a first isolation plate is arranged in the transition box, the front wall of the first isolation plate is connected with the front wall of the transition box, the rear wall of the first isolation plate is respectively connected with the rear wall of the transition box, and the second cylinder is arranged between the first isolation plate and the inner right wall of the transition box.

Preferably, the inner bottom wall of the transition box is inclined downward in a direction from the left side to the right side as a whole.

Preferably, the containing box is positioned on the left side of the waste rock crusher, a discharge outlet is formed in the bottom of the right wall of the containing box, a third discharge pipe is connected to the discharge outlet, the third discharge pipe integrally inclines downwards from the left side to the right side, a fourth discharge pipe is arranged in the third discharge pipe in a sliding mode, the bottom end of the fourth discharge pipe is positioned outside the third discharge pipe, a third air cylinder is arranged on the outer wall of the third discharge pipe, an output shaft of the third air cylinder is connected with the fourth discharge pipe, and the third air cylinder is started to drive the second discharge pipe to move to the position above a feeding hopper of the waste rock crusher;

a fourth cylinder is arranged in the containing box, an output shaft of the fourth cylinder is connected with a second closing plate, and the inner end of the discharging port is closed by the second closing plate.

Preferably, the accommodating box is internally provided with a second isolation plate, the front wall of the second isolation plate is connected with the front wall of the accommodating box, the rear wall of the second isolation plate is respectively connected with the rear wall of the accommodating box, and the fourth cylinder is arranged between the second isolation plate and the inner right wall of the accommodating box.

Preferably, the inner bottom wall of the accommodating box is inclined downward from the left side to the right side.

Preferably, the lifting device comprises a fixing frame, a motor and a steel wire rope, the fixing frame is fixed in the installation box, a vertically-arranged sliding groove is formed in the fixing frame, a sliding block is connected to the side wall of the containing box, the sliding block is connected with the sliding groove in a sliding mode, a fixing block is connected to the inner wall of the containing box, the motor is arranged at the top end of the fixing frame, one end of the steel wire rope is connected with an output shaft of the motor, and the other end of the steel wire rope is connected with the fixing block.

The beneficial effects of the utility model are embodied in: in the technical scheme, through the matching of the raw material belt conveyor, the crushed aggregate belt conveyor, the gangue crusher, the installation box, the containing box, the transition box and the lifting device, the raw material belt conveyor discharges the gangue into the transition box, the transition box discharges the gangue into the containing box, when the gangue in the containing box is accumulated to a certain amount, the lifting device drives the containing box to ascend to the upper part of the gangue crusher, then the containing box discharges the gangue into a gangue crusher for crushing, crushed aggregates fall on an aggregate belt conveyor and are conveyed to a goaf, therefore, the gangue crusher and the crushed aggregate belt conveyor are started only when a certain amount of gangue is accumulated in the containing box, the energy consumption is saved, simultaneously owing to with under the installation face of install bin embedding, can set up raw materials band conveyer's belt position lower to the staff is placed on raw materials band conveyer at the waste rock and is carried.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a front sectional view of the transition box.

In the attached drawing, 1-a raw material belt conveyor, 2-a crushed aggregate belt conveyor, 3-a gangue crusher, 4-an installation box, 5-a containing box, 6-a transition box, 7-a first discharging pipe, 8-a second discharging pipe, 9-a first cylinder, 10-a second cylinder, 11-a first sealing plate, 12-a first isolation plate, 13-a third discharging pipe, 14-a fourth discharging pipe, 15-a third cylinder, 16-a fourth cylinder, 17-a second sealing plate, 18-a second isolation plate, 19-a fixing frame, 20-a sliding chute, 21-a motor, 22-a steel wire rope and 23-a fixing block.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

Example 1

As shown in fig. 1-2, the embodiment provides a colliery collecting space area waste rock backfill system in pit, including raw materials band conveyer 1, crushed aggregates band conveyer 2, waste rock rubbing crusher 3, install bin 4, hold case 5, transition case 6 and elevating gear, the belt of crushed aggregates band conveyer 2 is located waste rock rubbing crusher 3's discharge opening below, and install bin 4 imbeds under the installation face, and elevating gear sets up in install bin 4, and elevating gear can drive and hold case 5 up-and-down motion, and raw materials band conveyer 1 can be with raw materials transport to transition case 6 in, and the raw materials in transition case 6 can be gone into and hold in the case 5, and elevating gear can drive and hold case 5 and move to waste rock rubbing crusher 3 pan feeding hopper top, and the raw materials in holding case 5 can enter the pan feeding hopper of waste rock rubbing crusher 3.

In the embodiment, through the matching of the raw material belt conveyor 1, the crushed aggregate belt conveyor 2, the gangue crusher 3, the installation box 4, the containing box 5, the transition box 6 and the lifting device, the gangue is discharged into the transition box 6 by the raw material belt conveyor 1, the gangue is discharged into the containing box 5 by the transition box 6, when the gangue in the containing box 5 is accumulated to a certain amount, a worker closes a discharge hole of the transition box 6, the lifting device is started, the lifting device drives the containing box 5 to ascend to the upper side of the gangue crusher 3, then the gangue is discharged into the gangue crusher 3 by the containing box 5 to be crushed, the crushed aggregates fall on the crushed aggregate belt conveyor 2 and are conveyed to a goaf, so that the gangue crusher 3 and the crushed aggregate belt conveyor 2 are started to work only when a certain amount of gangue is accumulated in the containing box 5, the energy consumption is saved, and meanwhile, the installation surface of the installation box 4 is embedded, the position of the raw material belt conveyor 1 can be set to be lower, so that workers can place gangue on the raw material belt conveyor 1 to transport the gangue. In this embodiment, each device is a large device.

In this embodiment, the transition box 6 is located on the left side of the accommodating box 5, a discharge hole is formed in the bottom of the right wall of the transition box 6, a first discharge pipe 7 is connected to the discharge hole, the first discharge pipe 7 is integrally inclined downward from the left side to the right side, a second discharge pipe 8 is slidably arranged in the first discharge pipe 7, the bottom end of the second discharge pipe 8 is located outside the first discharge pipe 7, a first cylinder 9 is arranged on the outer wall of the first discharge pipe 7, an output shaft of the first cylinder 9 is connected with the second discharge pipe 8, and the first cylinder 9 is started to drive the bottom end of the second discharge pipe 8 to move to the position right above the accommodating box 5; a second cylinder 10 is arranged in the transition box 6, an output shaft of the second cylinder 10 is connected with a first closing plate 11, and the inner end of the discharge hole is closed by the first closing plate 11.

The process that specifically uses does, during initial state, it is located the right side below of transition case 6 to hold case 5, start first cylinder 9 this moment and drive the motion of second row material pipe 8, make the bottom motion of second row material pipe 8 to hold case 5 directly over, then open second cylinder 10, drive the motion of first closing plate 11, open the inner of relief hole, make the waste rock of transition case 6 flow into to holding in the case 5, when holding case 5 and need rising, then second row material pipe 8 returns initial position, first closing plate 11 is closed the downthehole end of row material, do not hinder the rising that holds case 5.

In this embodiment be provided with first division board 12 in the transition case 6, the antetheca of first division board 12 is connected with the antetheca of transition case 6, the back wall of first division board 12 is connected with the back wall of transition case 6 respectively, second cylinder 10 sets up between the interior right wall of first division board 12 and transition case 6, set up second cylinder 10 between the interior right wall of first division board 12 and transition case 6, in order to protect second cylinder 10, strike the damage that causes second cylinder 10 to second cylinder 10 when preventing the waste rock from getting into in the transition case 6.

The inner bottom wall of the transition box 6 in this embodiment is inclined downward as a whole in a direction from the left side toward the right side.

In the embodiment, the accommodating box 5 is positioned on the left side of the gangue crusher 3, a discharge outlet is formed in the bottom of the right wall of the accommodating box 5, the discharge outlet is connected with a third discharge pipe 13, the third discharge pipe 13 integrally inclines downwards from the left side to the right side, a fourth discharge pipe 14 is arranged in the third discharge pipe 13 in a sliding manner, the bottom end of the fourth discharge pipe 14 is positioned outside the third discharge pipe 13, a third cylinder 15 is arranged on the outer wall of the third discharge pipe 13, an output shaft of the third cylinder 15 is connected with the fourth discharge pipe 14, and the third cylinder 15 is started to drive the bottom end of the fourth discharge pipe 14 to move to the position above a feeding hopper of the gangue crusher 3;

a fourth cylinder 16 is arranged in the containing box 5, an output shaft of the fourth cylinder 16 is connected with a second closing plate 17, and the inner end of the discharging port is closed by the second closing plate 17.

In this embodiment, the lifting device includes a fixing frame 19, a motor 21 and a steel wire rope 22, the fixing frame 19 is fixed in the installation box 4, a chute 20 vertically arranged is formed in the fixing frame 19, a sliding block is connected to a side wall of the containing box 5, the sliding block is connected with the chute 20 in a sliding manner, a fixing block 23 is connected to an inner wall of the containing box 5, the motor 21 is arranged at the top end of the fixing frame 19, one end of the steel wire rope 22 is connected with an output shaft of the motor 21, and the other end of the steel wire rope 22 is connected with the fixing block 23.

After a certain amount of waste rock is piled up in holding case 5, starter motor 21 drives and holds case 5 and rise to the left side top of waste rock rubbing crusher 3, then starts third cylinder 15, drives the motion of fourth row material pipe 14 for the bottom of fourth row material pipe 14 moves to 3 pan feeding hoppers of waste rock rubbing crusher directly over, then starts fourth cylinder 16, drives the motion of second closing plate 17 and opens the bin outlet inner, holds the waste rock in the case 5 and arranges to in the waste rock rubbing crusher 3.

In this embodiment, be provided with second division board 18 in holding case 5, the antetheca of second division board 18 is connected with the antetheca of crossing holding case 5, the back wall of second division board 18 respectively with hold the back wall connection of case 5, fourth cylinder 16 sets up between second division board 18 and the interior right wall that holds case 5, set up fourth cylinder 16 between the interior right wall of second division board 18 and holding case 5, in order to protect fourth cylinder 16, prevent to strike the damage that causes fourth cylinder 16 to fourth cylinder 16 when the waste rock gets into and holds case 5.

In this embodiment, the inner bottom wall of the accommodating box 5 is inclined downward in the direction from the left side to the right side as a whole.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. A gangue backfilling system of a coal mine underground goaf is characterized by comprising a raw material belt conveyor (1), a crushed aggregate belt conveyor (2), a gangue crusher (3), an installation box (4), a containing box (5), a transition box (6) and a lifting device, the belt of crushed aggregates band conveyer (2) is located the discharge opening below of waste rock rubbing crusher (3), install case (4) embedding installation face down, elevating gear sets up in install case (4), elevating gear can drive and hold case (5) up-and-down motion, raw materials band conveyer (1) can be carried the raw materials to in transition case (6), the raw materials in transition case (6) can be gone into and hold in case (5), elevating gear can drive and hold case (5) motion to waste rock rubbing crusher (3) pan feeding hopper top, the raw materials that hold in case (5) can go into the pan feeding hopper of waste rock rubbing crusher (3).

2. The gangue backfilling system of the underground coal mine goaf is characterized in that the transition box (6) is positioned on the left side of the containing box (5), a discharge hole is formed in the bottom of the right wall of the transition box (6), a first discharge pipe (7) is connected to the discharge hole, the first discharge pipe (7) integrally inclines downwards from the left side to the right side, a second discharge pipe (8) is arranged in the first discharge pipe (7) in a sliding mode, the bottom end of the second discharge pipe (8) is positioned outside the first discharge pipe (7), a first air cylinder (9) is arranged on the outer wall of the first discharge pipe (7), an output shaft of the first air cylinder (9) is connected with the second discharge pipe (8), and the first air cylinder (9) can be started to drive the bottom end of the second discharge pipe (8) to move to a position right above the containing box (5);

a second cylinder (10) is arranged in the transition box (6), an output shaft of the second cylinder (10) is connected with a first closing plate (11), and the inner end of the discharge hole is closed by the first closing plate (11).

3. The gangue backfilling system for the underground mined out area of a coal mine according to claim 2, characterized in that a first isolation plate (12) is arranged in the transition box (6), the front wall of the first isolation plate (12) is connected with the front wall of the transition box (6), the rear wall of the first isolation plate (12) is respectively connected with the rear wall of the transition box (6), and a second cylinder (10) is arranged between the first isolation plate (12) and the inner right wall of the transition box (6).

4. The underground coal mine goaf gangue backfilling system according to claim 2, characterized in that the inner bottom wall of the transition box (6) is integrally inclined downwards from left side to right side.

5. The backfill system for the waste rock in the goaf of the coal mine according to claim 1, characterized in that the containing box (5) is positioned on the left side of the waste rock crusher (3), a discharge hole is formed in the bottom of the right wall of the containing box (5), the discharge hole is connected with a third discharge pipe (13), the third discharge pipe (13) is integrally inclined downwards from the left side to the right side, a fourth discharge pipe (14) is slidably arranged in the third discharge pipe (13), the bottom end of the fourth discharge pipe (14) is positioned outside the third discharge pipe (13), a third cylinder (15) is arranged on the outer wall of the third discharge pipe (13), an output shaft of the third cylinder (15) is connected with the fourth discharge pipe (14), and the third cylinder (15) is started to drive the bottom end of the fourth discharge pipe (14) to move to a position above a feeding hopper of the waste rock crusher (3);

a fourth cylinder (16) is arranged in the containing box (5), an output shaft of the fourth cylinder (16) is connected with a second closing plate (17), and the inner end of the discharging port is closed by the second closing plate (17).

6. The underground coal mine goaf gangue backfilling system according to claim 5, characterized in that a second isolation plate (18) is arranged in the containing box (5), the front wall of the second isolation plate (18) is connected with the front wall of the containing box (5), the rear wall of the second isolation plate (18) is respectively connected with the rear wall of the containing box (5), and a fourth cylinder (16) is arranged between the second isolation plate (18) and the inner right wall of the containing box (5).

7. The underground coal mine goaf gangue backfilling system is characterized in that the inner bottom wall of the containing box (5) is integrally inclined downwards in the direction from the left side to the right side.

8. The gangue backfill system for the underground coal mine goaf according to claim 1, characterized in that the lifting device comprises a fixed frame (19), a motor (21) and a steel wire rope (22), the fixed frame (19) is fixed in an installation box (4), a vertically arranged chute (20) is formed in the fixed frame (19), a sliding block is connected to a side wall of the accommodating box (5), the sliding block is connected with the chute (20) in a sliding manner, a fixed block (23) is connected to the inner wall of the accommodating box (5), the motor (21) is arranged at the top end of the fixed frame (19), one end of the steel wire rope (22) is connected with an output shaft of the motor (21), and the other end of the steel wire rope (22) is connected with the fixed block (23).